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arXiv 1007.4317astro-ph.COcond-mat.str-el
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早期宇宙量子相变导致的重子不对称性

Baryon asymmetry resulting from a quantum phase transition in the early universe

V. R. Shaginyan, G. S. Japaridze, M. Ya. Amusia, A. Z. Msezane, K. G. Popov

摘要:

一种新的机制来解释宇宙的物质-反物质不对称性被认为是。我们假设宇宙从完全对称的状态开始,然后,当它冷却下来,它经历了量子相变,这反过来又导致了物质和反物质之间的不对称性。该机制不需要微观水平上的重子数破坏或CP破坏。我们对物质-反物质不对称性的分析是在凝聚态物理中获得的显著实验结果的背景下进行的。

英文摘要:

A novel mechanism for explaining the matter-antimatter asymmetry of the universe is considered. We assume that the universe starts from completely symmetric state and then, as it cools down, it undergoes a quantum-phase transition which in turn causes an asymmetry between matter and anti-matter. The mechanism does not require the baryon number violating interactions or CP violation at a microscopic level. Our analysis of the matter-antimatter asymmetry is in the context of conspicuous experimental results obtained in the condensed-matter physics.

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